Effect of heparin on phosphorylation site specificity of neuronal Cdc2- like kinase

Zhong Qi, Xiaodong Zhu, Michel Goedert, Donald J. Fujita, Jerry H. Wang*

*Corresponding author for this work

    Research output: Contribution to journalJournal Articlepeer-review

    15 Citations (Scopus)

    Abstract

    Neuronal Cdc2-like kinase (Nclk) can be stimulated by heparin in a substrate-dependent manner. While phosphorylation of tau is markedly enhanced by heparin, phosphorylation of histone H1 by Nclk is essentially unaffected. A histone H1 peptide, HS(9-18): PKTPKKAKKL, and its substitution analogues were used to examine the basis of the differential heparin effect. In the presence of heparin, the phosphorylation site specificity of Nclk is altered and only proline immediately following the phosphorylation site is still an essential substrate determinant. This change in the site specificity may adequately account for the differential heparin effect on histone H1 and tau phosphorylation.

    Original languageEnglish
    Pages (from-to)227-230
    Number of pages4
    JournalFEBS Letters
    Volume423
    Issue number2
    DOIs
    Publication statusPublished - 20 Feb 1998

    Keywords

    • Alzheimer's disease
    • Heparin
    • Neuronal Cdc2-like kinase
    • Tau

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